During the game
Tomb Raider Underworld: Cheat Codes Free Download
Enemy with one shot:
Press and hold G (RMB), then press the keys sequentially
E, space, E, Q, shift, ctrl
Lara’s invulnerability (immune to enemy bullets)
Press and hold G (RMB), then press the keys sequentially
space, H (LMB), E, H (LMB), Q, shift
Show enemy health indices
Press and hold G (RMB), then press the keys sequentially
Q, ctrl, space, shift, H (LMB), E
Confirmation that the cheat has worked is a sound signal.